package com.itheima.controller;


import com.alibaba.dubbo.config.annotation.Reference;
import com.itheima.constant.MessageConstant;
import com.itheima.entity.Result;
import com.itheima.pojo.MethodCount;
import com.itheima.service.MemberService;
import com.itheima.service.ReportService;
import com.itheima.service.SetmealService;
import com.itheima.utils.DateUtils;
import com.itheima.utils.MethodCountUtils;
import net.sf.jasperreports.engine.JasperCompileManager;
import net.sf.jasperreports.engine.JasperExportManager;
import net.sf.jasperreports.engine.JasperFillManager;
import net.sf.jasperreports.engine.JasperPrint;
import net.sf.jasperreports.engine.data.JRBeanCollectionDataSource;
import org.apache.poi.xssf.usermodel.XSSFRow;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.File;
import java.io.FileInputStream;
import java.io.OutputStream;
import java.math.BigDecimal;
import java.text.SimpleDateFormat;
import java.util.*;

/**
 * 报表操作
 */

@RestController
@RequestMapping("report")
public class ReportController {

    @Reference
    private MemberService memberService;
    @Reference
    private SetmealService setmealService;
    @Reference
    private ReportService reportService;

    //会员数量折线图数据
    @RequestMapping("getMemberReport")
    public Result getMemberReport() {
        Map<String, Object> map = new HashMap<>();
        List<String> months = new ArrayList<>();
        Calendar calendar = Calendar.getInstance();//获得日历对象,模拟时间就是当前时间
        //计算过去一年的12个月
        calendar.add(Calendar.MONTH, -12);//获取当前时间往前推12个月的时间
        for (int i = 0; i < 12; i++) {
            calendar.add(Calendar.MONTH, 1);//每次加一个月
            Date date = calendar.getTime();
            months.add(new SimpleDateFormat("yyyy.MM").format(date));
        }
        map.put("months", months);

        List<Integer> memberCount = memberService.findMemberCountByMonths(months);
        map.put("memberCount", memberCount);
        return new Result(true, MessageConstant.GET_MEMBER_NUMBER_REPORT_SUCCESS, map);
    }

    //套餐预约占比饼状图
    @RequestMapping("getSetmealReport")
    public Result getSetmealReport() {
        //观察什么样的java对象转换为饼状图所需要的的json数据格式
        Map<String, Object> data = new HashMap<>();

        try {
            List<Map<String, Object>> setmealCount = setmealService.findSetmealCount();
            data.put("setmealCount", setmealCount);

            List<String> setmealNames = new ArrayList<>();
            for (Map<String, Object> map : setmealCount) {
                String name = (String) map.get("name");//套餐名称
                setmealNames.add(name);
            }

            data.put("setmealNames", setmealNames);
            return new Result(true, MessageConstant.GET_SETMEAL_COUNT_REPORT_SUCCESS, data);
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(false, MessageConstant.GET_SETMEAL_COUNT_REPORT_FAIL);
        }
    }
    //男女占比饼状图
    @RequestMapping("getSexReport")
    public Result getSexReport() {
        //观察什么样的java对象转换为饼状图所需要的的json数据格式
        List<Map<String, Object>> sexCount = new ArrayList<>();
        try {
            Map map = new HashMap();
            map.put("name","女生");
            map.put("value",reportService.findGrilCount());
            Map map2 = new HashMap();
            map2.put("name","男生");
            map2.put("value",reportService.findBoyCount());
            sexCount.add(map);
            sexCount.add(map2);
            return new Result(true, MessageConstant.GET_SETMEAL_COUNT_REPORT_SUCCESS, sexCount);
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(false, MessageConstant.GET_SETMEAL_COUNT_REPORT_FAIL);
        }
    }
    @RequestMapping("getAgeReport")
    public Result getAgeReport() {
        //观察什么样的java对象转换为饼状图所需要的的json数据格式
        try{
            List<Map> ageCount = reportService.findAgeCount();
            Map<String,Object> map = new HashMap<>();
            map.put("setmealCount",ageCount);
            return new Result(true,"成功",map);
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(false,"失败");
        }

    }

    //运营数据统计
    @RequestMapping("getBusinessReportData")
    public Result getBusinessReportData() {
        try {
            Map<String, Object> data = reportService.getBusinessReportData();
            return new Result(true, MessageConstant.GET_BUSINESS_REPORT_SUCCESS, data);
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(false, MessageConstant.GET_BUSINESS_REPORT_FAIL);
        }
    }

    //导出运营数据
    @RequestMapping("/exportBusinessReport")
    public Result exportBusinessReport(HttpServletRequest request, HttpServletResponse response) {
        try {
            Map<String, Object> result = reportService.getBusinessReportData();
            //取出返回结果数据，准备将报表数据写入到Excel文件中
            String reportDate = (String) result.get("reportDate");
            Integer todayNewMember = (Integer) result.get("todayNewMember");
            Integer totalMember = (Integer) result.get("totalMember");
            Integer thisWeekNewMember = (Integer) result.get("thisWeekNewMember");
            Integer thisMonthNewMember = (Integer) result.get("thisMonthNewMember");
            Integer todayOrderNumber = (Integer) result.get("todayOrderNumber");
            Integer thisWeekOrderNumber = (Integer) result.get("thisWeekOrderNumber");
            Integer thisMonthOrderNumber = (Integer) result.get("thisMonthOrderNumber");
            Integer todayVisitsNumber = (Integer) result.get("todayVisitsNumber");
            Integer thisWeekVisitsNumber = (Integer) result.get("thisWeekVisitsNumber");
            Integer thisMonthVisitsNumber = (Integer) result.get("thisMonthVisitsNumber");
            List<Map> hotSetmeal = (List<Map>) result.get("hotSetmeal");

            String filePath = request.getSession().getServletContext().getRealPath("template") + File.separator + "report_template.xlsx";
            //基于提供的Excel模板文件在内存中创建一个Excel表格对象
            XSSFWorkbook excel = new XSSFWorkbook(new FileInputStream(new File(filePath)));
            //读取第一个工作表
            XSSFSheet sheet = excel.getSheetAt(0);

            XSSFRow row = sheet.getRow(2);
            row.getCell(5).setCellValue(reportDate);//日期

            row = sheet.getRow(4);
            row.getCell(5).setCellValue(todayNewMember);//新增会员数（本日）
            row.getCell(7).setCellValue(totalMember);//总会员数

            row = sheet.getRow(5);
            row.getCell(5).setCellValue(thisWeekNewMember);//本周新增会员数
            row.getCell(7).setCellValue(thisMonthNewMember);//本月新增会员数

            row = sheet.getRow(7);
            row.getCell(5).setCellValue(todayOrderNumber);//今日预约数
            row.getCell(7).setCellValue(todayVisitsNumber);//今日到诊数

            row = sheet.getRow(8);
            row.getCell(5).setCellValue(thisWeekOrderNumber);//本周预约数
            row.getCell(7).setCellValue(thisWeekVisitsNumber);//本周到诊数

            row = sheet.getRow(9);
            row.getCell(5).setCellValue(thisMonthOrderNumber);//本月预约数
            row.getCell(7).setCellValue(thisMonthVisitsNumber);//本月到诊数

            int rowNum = 12;
            for (Map map : hotSetmeal) {//热门套餐
                String name = (String) map.get("name");
                Long setmeal_count = (Long) map.get("setmeal_count");
                BigDecimal proportion = (BigDecimal) map.get("proportion");
                row = sheet.getRow(rowNum++);
                row.getCell(4).setCellValue(name);//套餐名称
                row.getCell(5).setCellValue(setmeal_count);//预约数量
                row.getCell(6).setCellValue(proportion.doubleValue());//占比
            }

            //使用输出流进行表格下载,基于浏览器作为客户端下载
            OutputStream out = response.getOutputStream();
            response.setContentType("application/vnd.ms-excel");//代表的是Excel文件类型
            response.setHeader("content-Disposition", "attachment;filename=report.xlsx");//指定以附件形式进行下载
            excel.write(out);

            out.flush();
            out.close();
            excel.close();
            return null;
        } catch (Exception e) {
            return new Result(false, MessageConstant.GET_BUSINESS_REPORT_FAIL);
        }
    }

    //导出运营数据到pdf并提供客户端下载
    @RequestMapping("/exportBusinessReport4PDF")
    public Result exportBusinessReport4PDF(HttpServletRequest request, HttpServletResponse response){
        try {
            Map<String,Object> result = reportService.getBusinessReportData();
            //取出返回结果数据,准备将报表数据想写入到PDF文件中
            List<Map> hotSetmeal = (List<Map>) result.get("hotSetmeal");

            //动态获取末班文件绝对磁盘路径
            String jrxmlPath = request.getSession().getServletContext().getRealPath("template") + File.separator + "health_business3.jrxml";
            String jasperPath = request.getSession().getServletContext().getRealPath("template") + File.separator + "health_business3.jasper";

            //编译模板
            JasperCompileManager.compileReportToFile(jrxmlPath,jasperPath);

            //填充数据---使用JAavaBean数据源方式填充
            JasperPrint jasperPrint = JasperFillManager.fillReport(jasperPath, result, new JRBeanCollectionDataSource(hotSetmeal));

            ServletOutputStream out = response.getOutputStream();
            response.setContentType("application/pdf");
            response.setHeader("content-Disposition","attachment;filename=report.pdf");

            //输出文件
            JasperExportManager.exportReportToPdfStream(jasperPrint,out);

            return null;
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(false,MessageConstant.GET_BUSINESS_REPORT_FAIL);
        }
    }

//    //导出运营数据到pdf并提供客户端下载
//    @RequestMapping("/exportBusinessReport4PDF")
//    public Result exportBusinessReport4PDF(HttpServletRequest request, HttpServletResponse response) {
//        try {
//            Map<String, Object> result = reportService.getBusinessReportData();
//            //取出返回结果数据，准备将报表数据写入到PDF文件中
//            List<Map> hotSetmeal = (List<Map>) result.get("hotSetmeal");
//
//            //动态获取模板文件绝对磁盘路径
//            String jrxmlPath = request.getSession().getServletContext().getRealPath("template") + File.separator + "health_business3.jrxml";
//            String jasperPath = request.getSession().getServletContext().getRealPath("template") + File.separator + "health_business3.jasper";
//
//            //编译模板
//            JasperCompileManager.compileReportToFile(jrxmlPath, jasperPath);
//
//            //填充数据---使用JavaBean数据源方式填充
//            JasperPrint jasperPrint = JasperFillManager.fillReport(jasperPath, result,new JRBeanCollectionDataSource(hotSetmeal));
//            ServletOutputStream out = response.getOutputStream();
//            response.setContentType("application/pdf");
//            response.setHeader("content-Disposition","attachment;filename=report.pdf");
//
//            //输出文件
//            JasperExportManager.exportReportToPdfStream(jasperPrint, out);
//            return null;
//        } catch (Exception e) {
//            e.printStackTrace();
//            return new Result(false, MessageConstant.GET_BUSINESS_REPORT_FAIL);
//        }
//    }

    @RequestMapping("/getMethodReport")
    public Result getMethodReport(String value1) {

//        判断日期是否为空
        if (value1==null || value1==""){
            try {
//                如果为空，获取当天日期
                value1 = DateUtils.parseDate2String(DateUtils.getToday());
            } catch (Exception e) {
                e.printStackTrace();
            }
        }

        List<MethodCount> methodCount = null;
        try {
//            去redis内查询数据
            methodCount = MethodCountUtils.getMethodCount(value1);
        } catch (Exception e) {
            e.printStackTrace();
        }

        if (methodCount==null || methodCount.size() == 0){
            return new Result(false,"无数据");
        }

        HashMap map = new HashMap();
        List<String> list = new ArrayList();
        List<Integer> list1 = new ArrayList();
        for (MethodCount count : methodCount) {
            list.add(count.getMethodName());
            list1.add(count.getCount());
        }
        map.put("name",list);
        map.put("count",list1);
        System.out.println(map);
        return new Result(true,"ok",map);
    }

}
